Home/CVE/The decode_data function in drivers/net/hamradio/6pack.c in the Linux kernel before 5.13.13 has a slab out-of-bounds wri
CVE

CVE-2021-42008

The decode_data function in drivers/net/hamradio/6pack.c in the Linux kernel before 5.13.13 has a slab out-of-bounds wri

The decode_data function in drivers/net/hamradio/6pack.c in the Linux kernel before 5.13.13 has a slab out-of-bounds write. Input from a process that has the CAP_NET_ADMIN capability can lead to root access.

HIGH · CVSS 7.8 EPSS 0.00929
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

17
linux kernel>= 2.6.12 and < 4.4.282
linux kernel>= 4.5 and < 4.9.281
linux kernel>= 4.10 and < 4.14.245
linux kernel>= 4.15 and < 4.19.205
linux kernel>= 4.20 and < 5.4.143
linux kernel>= 5.5 and < 5.10.61
linux kernel>= 5.11 and < 5.13.13
netapp h300s firmwareall versions
⚠

Public Exploits & PoCs

1
pocwww.youtube.com · watch?v=d5f9xLK8Vhwwww.youtube.com
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Oct 2021 · 12:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

26
usnUSN-5343-1
usnUSN-5299-1
suse-csafSUSE-SU-2021:3972-1
suse-csafSUSE-SU-2021:3969-1
suse-csafSUSE-SU-2021:3929-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.13Release NotesVendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=19d1532a187669ce86d5a2696eb7275310070793PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.htmlMailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20211104-0002/Third Party Advisory
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